<div class="item mobile">
    <div class="icon">
        <img src="https://i8.mifile.cn/b2c-mimall-media/98a23aae70f25798192693f21c4d4039.png" class="static">
        <img src="https://i8.mifile.cn/b2c-mimall-media/74c4fcb4475af8308e9a670db9c01fdf.png" class="hover">
    </div>
    <div class="title">手机app</div>
    <div class="pop-content">
        <img src="https://i8.mifile.cn/b2c-mimall-media/93650133310ec1c385487417a472a26c.png">
        <p class="desc">扫码领取新人百元礼包</p>
    </div>
</div>

<div class="item">
    <div class="icon">
        <img src="https://i8.mifile.cn/b2c-mimall-media/98a23aae70f25798192693f21c4d4039.png" class="static">
        <img src="https://i8.mifile.cn/b2c-mimall-media/74c4fcb4475af8308e9a670db9c01fdf.png" class="hover">
    </div>
    <div class="title">手机app</div>
</div>

<div class="item">
    <div class="icon">
        <img src="https://i8.mifile.cn/b2c-mimall-media/98a23aae70f25798192693f21c4d4039.png" class="static">
        <img src="https://i8.mifile.cn/b2c-mimall-media/74c4fcb4475af8308e9a670db9c01fdf.png" class="hover">
    </div>
    <div class="title">手机app</div>
</div>

<div class="item">
    <div class="icon">
        <img src="https://i8.mifile.cn/b2c-mimall-media/98a23aae70f25798192693f21c4d4039.png" class="static">
        <img src="https://i8.mifile.cn/b2c-mimall-media/74c4fcb4475af8308e9a670db9c01fdf.png" class="hover">
    </div>
    <div class="title">手机app</div>
</div>

<div class="item">
    <div class="icon">
        <img src="https://i8.mifile.cn/b2c-mimall-media/98a23aae70f25798192693f21c4d4039.png" class="static">
        <img src="https://i8.mifile.cn/b2c-mimall-media/74c4fcb4475af8308e9a670db9c01fdf.png" class="hover">
    </div>
    <div class="title">手机app</div>
</div>

<div class="item backtop deactive">
    <div class="icon">
        <img src="//i1.mifile.cn/f/i/2018/home/totop.png" class="static">
        <img src="//i1.mifile.cn/f/i/2018/home/totop_hover.png" class="hover">
    </div>
    <div class="title">回顶部</div>
</div>